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Patents for Peter P. Matthews
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
  4,485,594Dec. 04, 1984P.P. Matthews, C. Kang, R.J. GuertinSurface Grinding Machine
  D277,757Feb. 26, 1985P.P. Matthews, C. Kang, R.J. GuertinSurface Grinding Machine
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